Added test for logger

tests/src/python/CMakeLists.txt

@@ -4,3 +4,4 @@ ADD_PYTHON_TEST(PyQgsComposerMap  test_qgscomposermap.py)
 ADD_PYTHON_TEST(PyQgsGeometry test_qgsgeometry.py)
 ADD_PYTHON_TEST(PyQgsRasterLayer test_qgsrasterlayer.py)
 ADD_PYTHON_TEST(PyQgsMemoryProvider test_qgsmemoryprovider.py)
+ADD_PYTHON_TEST(PyQgsLogger test_qgslogger.py)

tests/src/python/test_qgslogger.py

@@ -0,0 +1,42 @@
+import tempfile
+import os
+import unittest
+
+from qgis.core import QgsLogger
+
+# Convenience instances in case you may need them
+# not used in this test
+#from utilities import getQgisTestApp
+#QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp()
+
+class TestQgsLogger(unittest.TestCase):
+
+    def testLogger(self):
+        (myFileHandle, myFilename) = tempfile.mkstemp()
+        try:
+            myFile = os.fdopen(myFileHandle, "w")
+            myFile.write("QGIS Logger Unit Test\n")
+            myFile.close()
+            os.environ['QGIS_DEBUG'] = '2'
+            os.environ['QGIS_LOG_FILE'] = myFilename
+            myLogger = QgsLogger()
+            myLogger.debug('This is a debug')
+            myLogger.warning('This is a warning') 
+            myLogger.critical('This is critical')
+            #myLogger.fatal('Aaaargh...fatal');  #kills QGIS not testable
+            myFile = open(myFilename, 'rt')
+            myText = myFile.readlines()
+            myExpectedText = ['QGIS Logger Unit Test\n', 
+                              'This is a debug\n',
+                              'This is a warning\n', 
+                              'This is critical\n']
+            myMessage = ('Expected:\n---\n%s\n---\nGot:\n---\n%s\n---\n' % 
+                               (myExpectedText, myText))
+            self.assertEquals(myText, myExpectedText, myMessage)
+        finally:
+            pass
+            os.remove(myFilename)
+
+if __name__ == '__main__':
+    unittest.main()
+